Extract Msf::DBImportError

MSP-11124

lib/msf/core/db.rb

@@ -57,15 +57,13 @@ require 'rex/parser/retina_xml'
 
 require 'metasploit/framework/require'
 require 'msf/core/database_event'
+require 'msf/core/db_import_error'
 require 'msf/core/db_manager/import_msf_xml'
 require 'msf/core/host_state'
 require 'msf/core/service_state'
 
 module Msf
 
-class DBImportError < RuntimeError
-end
-
 ###
 #
 # The DB module ActiveRecord definitions for the DBManager

lib/msf/core/db_import_error.rb

@@ -0,0 +1,2 @@
+class Msf::DBImportError < RuntimeError
+end